<?php
namespace app\api\controller;

use think\Controller;
use think\Db;
class Authorization extends Controller{
    protected function _initialize(){
        
    }
    /**
     * 验证权限
     */
    public function auth($device = '',$cuid = 0,$time = 0,$key = ''){
        $data = array();
        $data['device'] = $device ;
        $data['suid'] = $cuid ;
        $data['time'] = $time ;
        ksort($data);
        $ret = array('status'=>1,'msg'=>'登录成功');
        if( sha1(http_build_query($data)) == $key){
            Db::name();
            return json($ret);
        }else {
            $ret['status'] = 0;
            $ret['msg'] = '请求失败';
            return json($ret);
        }
    }
    
    /** php 发送流文件
     * @param String $url 接收的路径
     * @param String $file 要发送的文件
     * @return boolean
     */
    protected function sendStreamFile($url, $file){
        if(file_exists($file)){
            $opts = array(
                'http' => array(
                    'method' => 'POST',
                    'header' => 'content-type:application/x-www-form-urlencoded',
                    'content' => file_get_contents($file)
                )
            );
            $context = stream_context_create($opts);
            $response = file_get_contents($url, false, $context);
            $ret = json_decode($response, true);
            return $ret['success'];
        }else{
            return false;
        }
    } 
    
    /** php 接收流文件
     * @param String $file 接收后保存的文件名
     * @return boolean
     */
    protected function receiveStreamFile($receiveFile){
        $streamData = isset($GLOBALS['HTTP_RAW_POST_DATA'])? $GLOBALS['HTTP_RAW_POST_DATA'] : '';
        
        if(empty($streamData)){
            $streamData = file_get_contents('php://input');
        }
        
        if($streamData!=''){
            $ret = file_put_contents($receiveFile, $streamData, true);
        }else{
            $ret = false;
        }
        return $ret;
    } 
}